Ryan Rampersaud, MD, PhD
Physician
Office of the CEO
Chancellor/EVC/FAS

Publications (24)

Top publication keywords:
CholesterolTelomere ShorteningBacterial ToxinsTelomeraseDepressive Disorder, MajorCell MembraneCardiovascular DiseasesAntidepressive AgentsGardnerella vaginalisLactobacillusGenitalia, FemaleMetagenomeCytotoxinsPore Forming Cytotoxic ProteinsPrions

• Cognitive function in physically healthy, unmedicated individuals with major depression: Relationship with depressive symptoms and antidepressant response.
  Journal of affective disorders 2025 Ou A, Wu GWY, Kassel MT, Mackin RS, Rampersaud R, Reus VI, Mellon SH, Wolkowitz OM
• Editorial: Systems biology approaches to psychiatric and psychological disorders: unraveling the complexities.
  Frontiers in genetics 2025 Yang R, Daigle BJ, Rampersaud R, Schultebraucks K
• Kynurenine Metabolism is Associated with Antidepressant Response to Selective Serotonin Reuptake Inhibitors.
  bioRxiv : the preprint server for biology 2025 Rampersaud R, Suneson K, Wu GWY, Reus VI, Lindqvist D, Ho TC, Meyerhoff DJ, Irwin MR, Wolkowitz OM, Mellon SH, Brundin L
• Dispositional Optimism Predicts Antidepressant Treatment Response in Major Depressive Disorder: Potential Relevance for Positive Psychology Interventions.
  The journal of positive psychology 2024 Coopersmith AS, Wolkowitz OM, Mellon SH, Wu G, Rampersaud R, Hansen N, Dutcher EG, Reus VI, Mayer SE
• The researcher's guide to selecting biomarkers in mental health studies.
  BioEssays : news and reviews in molecular, cellular and developmental biology 2024 Verhoeven JE, Wolkowitz OM, Barr Satz I, Conklin Q, Lamers F, Lavebratt C, Lin J, Lindqvist D, Mayer SE, Melas PA, Milaneschi Y, Picard M, Rampersaud R, Rasgon N, Ridout K, Söderberg Veibäck G, …

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• Examining putamen resting-state connectivity markers of suicide attempt history in depressed adolescents.
  Frontiers in psychiatry 2024 Tymofiyeva O, Ho TC, Connolly CG, Gorrell S, Rampersaud R, Darrow SM, Max JE, Yang TT
• Serum brain-derived neurotrophic factor, Val66Met polymorphism and open-label SSRI treatment response in Major Depressive Disorder.
  Psychoneuroendocrinology 2024 Smit AJT, Wu GWY, Rampersaud R, Reus VI, Wolkowitz OM, Mellon SH
• Circulating cell-free mitochondrial DNA levels and glucocorticoid sensitivity in a cohort of male veterans with and without combat-related PTSD.
  Translational psychiatry 2024 Blalock ZN, Wu GWY, Lindqvist D, Trumpff C, Flory JD, Lin J, Reus VI, Rampersaud R, Hammamieh R, Gautam A, SBPBC, Doyle FJ, Marmar CR, Jett M, Yehuda R, Wolkowitz OM, Mellon SH
• Shorter telomere length predicts poor antidepressant response and poorer cardiometabolic indices in major depression.
  Scientific reports 2023 Rampersaud R, Wu GWY, Reus VI, Lin J, Blackburn EH, Epel ES, Hough CM, Mellon SH, Wolkowitz OM
• Molecular signatures of post-traumatic stress disorder in war-zone-exposed veteran and active-duty soldiers.
  Cell reports. Medicine 2023 Muhie S, Gautam A, Yang R, Misganaw B, Daigle BJ, Mellon SH, Flory JD, Abu-Amara D, Lee I, Wang K, Rampersaud R, PTSD Systems Biology Consortium, Hood L, Yehuda R, Marmar CR, Wolkowitz OM, Ressler KJ,…
• Dimensions of childhood adversity differentially affect biological aging in major depression.
  Translational psychiatry 2022 Rampersaud R, Protsenko E, Yang R, Reus V, Hammamieh R, Wu GWY, Epel E, Jett M, Gautam A, Mellon SH, Wolkowitz OM
• "GrimAge," an epigenetic predictor of mortality, is accelerated in major depressive disorder.
  Translational psychiatry 2021 Protsenko E, Yang R, Nier B, Reus V, Hammamieh R, Rampersaud R, Wu GWY, Hough CM, Epel E, Prather AA, Jett M, Gautam A, Mellon SH, Wolkowitz OM
• Novel Pharmacological Targets for Combat PTSD-Metabolism, Inflammation, The Gut Microbiome, and Mitochondrial Dysfunction.
  Military medicine 2020 Bersani FS, Mellon SH, Lindqvist D, Kang JI, Rampersaud R, Somvanshi PR, Doyle FJ, Hammamieh R, Jett M, Yehuda R, Marmar CR, Wolkowitz OM
• Environmental pH modulates inerolysin activity via post-binding blockade.
  Scientific reports 2018 Rampersaud R, Lewis EL, LaRocca TJ, Ratner AJ
• Evidence for α-synuclein prions causing multiple system atrophy in humans with parkinsonism.
  Proceedings of the National Academy of Sciences of the United States of America 2015 Prusiner SB, Woerman AL, Mordes DA, Watts JC, Rampersaud R, Berry DB, Patel S, Oehler A, Lowe JK, Kravitz SN, Geschwind DH, Glidden DV, Halliday GM, Middleton LT, Gentleman SM, Grinberg LT, Giles K
• Propagation of prions causing synucleinopathies in cultured cells.
  Proceedings of the National Academy of Sciences of the United States of America 2015 Woerman AL, Stöhr J, Aoyagi A, Rampersaud R, Krejciova Z, Watts JC, Ohyama T, Patel S, Widjaja K, Oehler A, Sanders DW, Diamond MI, Seeley WW, Middleton LT, Gentleman SM, Mordes DA, Südhof TC, Giles K…
• Vaginolysin drives epithelial ultrastructural responses to Gardnerella vaginalis.
  Infection and immunity 2013 Randis TM, Zaklama J, LaRocca TJ, Los FC, Lewis EL, Desai P, Rampersaud R, Amaral FE, Ratner AJ
• Genome Sequence of the Human Abscess Isolate Streptococcus intermedius BA1.
  Genome announcements 2013 Planet PJ, Rampersaud R, Hymes SR, Whittier S, Della-Latta PA, Narechania A, Daugherty SC, Santana-Cruz I, Desalle R, Ravel J, Ratner AJ
• Cigarette smoke increases Staphylococcus aureus biofilm formation via oxidative stress.
  Infection and immunity 2012 Kulkarni R, Antala S, Wang A, Amaral FE, Rampersaud R, Larussa SJ, Planet PJ, Ratner AJ
• Retrocyclin inhibits Gardnerella vaginalis biofilm formation and toxin activity.
  The Journal of antimicrobial chemotherapy 2012 Hooven TA, Randis TM, Hymes SR, Rampersaud R, Ratner AJ
• Microbiota of the upper and lower genital tract.
  Seminars in fetal & neonatal medicine 2011 Rampersaud R, Randis TM, Ratner AJ
• Inerolysin, a cholesterol-dependent cytolysin produced by Lactobacillus iners.
  Journal of bacteriology 2010 Rampersaud R, Planet PJ, Randis TM, Kulkarni R, Aguilar JL, Lehrer RI, Ratner AJ
• Cigarette smoke inhibits airway epithelial cell innate immune responses to bacteria.
  Infection and immunity 2010 Kulkarni R, Rampersaud R, Aguilar JL, Randis TM, Kreindler JL, Ratner AJ
• Vaccination of mice with a Yop translocon complex elicits antibodies that are protective against infection with F1- Yersinia pestis.
  Infection and immunity 2008 Ivanov MI, Noel BL, Rampersaud R, Mena P, Benach JL, Bliska JB